Urgent !!! tomcat problem

I launch my webapp , with idea , (tomcat plugin)
build 676 or 688 , tomcat 4.1.12 ant tomcat 4.1.16 , I have the same problem ;-( But , in my office , these solution work ???

C:\Dev\j2sdk1.4.1\bin\javaw.exe -Djava.endorsed.dirs=C:\Dev\tomcat\bin;C:\Dev\tomcat\common\lib -Dcatalina.base=C:\Documents and Settings\seb\.IntelliJIdea\system\tomcat_jcms_7a4c7d09 -Dcatalina.home=C:\Dev\tomcat -Djava.io.tmpdir=C:\Dev\tomcat\temp -classpath C:\Dev\j2sdk1.4.1\lib\tools.jar;C:\Dev\tomcat\bin\bootstrap.jar;C:\Dev\tomcat\common\lib\ant.jar;C:\Dev\tomcat\common\lib\commons-collections.jar;C:\Dev\tomcat\common\lib\commons-logging-api.jar;C:\Dev\tomcat\common\lib\jasper-compiler.jar;C:\Dev\tomcat\common\lib\jasper-runtime.jar;C:\Dev\tomcat\common\lib\naming-common.jar;C:\Dev\tomcat\common\lib\naming-factory.jar;C:\Dev\tomcat\common\lib\naming-resources.jar;C:\Dev\tomcat\common\lib\servlet.jar;C:\Dev\tomcat\server\lib\catalina-ant.jar;C:\Dev\tomcat\server\lib\catalina.jar;C:\Dev\tomcat\server\lib\commons-beanutils.jar;C:\Dev\tomcat\server\lib\commons-digester.jar;C:\Dev\tomcat\server\lib\commons-logging.jar;C:\Dev\tomcat\server\lib\commons-modeler.jar;C:\Dev\tomcat\server\lib\jakarta-regexp-1.2.jar;C:\Dev\tomcat\server\lib\mx4j-jmx.jar;C:\Dev\tomcat\server\lib\servlets-common.jar;C:\Dev\tomcat\server\lib\servlets-default.jar;C:\Dev\tomcat\server\lib\servlets-invoker.jar;C:\Dev\tomcat\server\lib\servlets-manager.jar;C:\Dev\tomcat\server\lib\servlets-webdav.jar;C:\Dev\tomcat\server\lib\tomcat-coyote.jar;C:\Dev\tomcat\server\lib\tomcat-http11.jar;C:\Dev\tomcat\server\lib\tomcat-jk.jar;C:\Dev\tomcat\server\lib\tomcat-jk2.jar;C:\Dev\tomcat\server\lib\tomcat-util.jar;C:\Dev\tomcat\server\lib\tomcat-warp.jar;C:\Dev\projects\jcms\build\WEB-INF\classes;C:\Dev\j2sdk1.4.1\jre\lib\charsets.jar;C:\Dev\j2sdk1.4.1\jre\lib\jaws.jar;C:\Dev\j2sdk1.4.1\jre\lib\jce.jar;C:\Dev\j2sdk1.4.1\jre\lib\jsse.jar;C:\Dev\j2sdk1.4.1\jre\lib\rt.jar;C:\Dev\j2sdk1.4.1\jre\lib\sunrsasign.jar;C:\Dev\j2sdk1.4.1\jre\lib\ext\dnsns.jar;C:\Dev\j2sdk1.4.1\jre\lib\ext\ldapsec.jar;C:\Dev\j2sdk1.4.1\jre\lib\ext\localedata.jar;C:\Dev\j2sdk1.4.1\jre\lib\ext\sunjce_provider.jar;C:\Dev\tomcat\common\lib\servlet.jar;C:\Dev\lib\xalan-j_2_4_1\bin\xml-apis.jar;C:\Dev\lib\xalan-j_2_4_1\bin\xsltc.jar;C:\Dev\lib\xalan-j_2_4_1\bin\xalan.jar org.apache.catalina.startup.Bootstrap start
java.lang.NullPointerException
at java.util.Hashtable.get(Hashtable.java:329)
at org.apache.commons.logging.LogFactory.getCachedFactory(LogFactory.java:502)
at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:264)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:401)
at org.apache.commons.digester.Digester.]]>(Digester.java:345)
at org.apache.catalina.startup.Catalina.createStartDigester(Catalina.java:280)
at org.apache.catalina.startup.Catalina.start(Catalina.java:441)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)